Delphos is located in Allen county Ohio with a geographic area of 3.3 square miles. The total population in Delphos is 7,066 with 49.5% male and 50.5% female. Children under age 5 represent 9.0% of the population, under age 18 equal 21.6% of the population and over age 65 is 19.5% of the population. The median household income is $51,752, per capita income is $25,843. There are a total of 3,037 housing units with 66.9% owner occupied. Education includes 37.7% of residents that are high school graduates and 17.6% with a bachelor's degree or higher. The average temperature in Delphos in the summer is 72 degrees, and in the winter 32 degrees.
